{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xde15ddbf90359e84138cf8a1029761cb3f1e3cc03951cd874f95ed20b3628647",
    "signature": "0xf6ba778b0f309a0db61c5ce6402c7c478a5230294aab809586f4fd6e95bb9b2530be2f667fba9248e8fe92da497b98cd4c922ae224e301a243c726023a84c2fc1c",
    "signer": "0x69390eE85A40368f1dB502Dde4b1fc36a1850A33",
    "userId": "27130590"
  }
}